Title:
HEAT-SENSITIVE RECORDING MATERIAL
Document Type and Number:
WIPO Patent Application WO2003053710
Kind Code:
A8
Abstract:
A heat-sensitive recording material having a support and, formed thereon, a heat-sensitive recording layer containing an electron-donating colorless dye and an electron-accepting compound, wherein the electron-accepting compound is represented by the formula: R<1>-Ph-SO2R<2> wherein R<1> is a hydroxyl group or an alkyl group, R<2 >is -Ph, -NH-Ph, -Ph-OR<3>, or -NH-CO-NH-Ph, R<3> is an alkyl group, and Ph represents a(substituted) phenyl group, and wherein it satisfies any one of the following requirements: that the remaining percentage of the concentration of a printed portion thereof after the irradiation under a specific condition is 80 % or more, that the electron-accepting compound has a particle diameter of 1.0 mum or less, a non-image portion has a whiteness of 75 to 90 %, and an image portion exhibits a reduction percentage of concentration when it is allowed to stand under a specific condition of 50 % or less, and that an image portion exhibits a reduction percentage of concentration when it is allowed to stand under a specific condition of 50 % or less and it contains a specific sensitizer; and also a heat-sensitive recording material, wherein an image portion exhibits a reduction percentage of concentration when it is allowed to stand under a specific condition of 50 % or less, and it exhibits an image concentration of 0.15 or less after it is contacted with a heat source of 70 ° C for 5 seconds.
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Inventors:
IWASAKI MASAYUKI (JP)
WATANABE TSUTOMU (JP)
MITSUO HIROFUMI (JP)
WATANABE TSUTOMU (JP)
MITSUO HIROFUMI (JP)
Application Number:
PCT/JP2002/013396
Publication Date:
January 20, 2005
Filing Date:
December 20, 2002
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD (JP)
IWASAKI MASAYUKI (JP)
WATANABE TSUTOMU (JP)
MITSUO HIROFUMI (JP)
IWASAKI MASAYUKI (JP)
WATANABE TSUTOMU (JP)
MITSUO HIROFUMI (JP)
International Classes:
B41M5/333; C09J7/35; B41M5/30; B41M5/327; B41M5/337; B41M5/40; B41M5/41; B41M5/42; B41M5/44; (IPC1-7): B41M5/30
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